Fig. 5

Vaccine effectiveness of receiving at least two doses of the 10-valent pneumococcal conjugate vaccine (PCV10) vs. none against ultrasound-confirmed pneumonia when compared with community controls in 3 subdistricts in Sylhet, Bangladesh (June 2015–September 2017). A Displays a forest plot of unadjusted vaccine effectiveness of ≥ 2 doses of PCV10 vs. none stratified by consolidation size by age or sex. B Displays a forest plot of vaccine effectiveness adjusted for household characteristics, assets, years of schooling for both mother and father, whether the father resides in the household, number of children aged under 5 years living in the household, whether the family owns the house, family owns a clean stove, whether the mother participates in decision making, and propensity to seek care for the child. We stratified cases by consolidation size and, evaluated for interactions between consolidation size (≥ 1.5 or 1–1.49 cm) and age (< 12 or ≥ 12 months) or consolidation size and sex. Vaccine effectiveness is represented with a diamond, and the horizontal line is the corresponding 95% confidence interval. The size of the diamond is proportional to the sample size used for each analysis